Editing Apollo/Domain (section)

==Usage==
Apollo systems are easy to use and administer, but they became less cost-effective because the proprietary operating system made software more expensive than Unix software. The 68K processors are slower than the new [[RISC]] chips from [[Sun Microsystems|Sun]] and [[Hewlett-Packard]]. Apollo addressed both problems by introducing the RISC-based DN10000 and Unix-friendly [[Domain/OS]] operating system. However, the DN10000, though fast, was extremely expensive, and a reliable version of [[Domain/OS]] came too late to make a difference. The increased speed and falling price of PCs ensured the obsolescence of high end systems such as Apollo workstations.

===ARM CPU design===
When [[Acorn Computers]] began designing the [[ARM1|ARM 1]] CPU in 1984, it used a single Apollo DN 600 workstation to do VLSI design with engineers taking shifts to use the machine. Later in the project they acquired additional workstations.<ref>{{Cite web |last=Evans |first=Matt |title=36C3 - The Ultimate Acorn Archimedes talk |date=December 27, 2019 |url=https://media.ccc.de/v/36c3-10703-the_ultimate_acorn_archimedes_talk |access-date=November 7, 2023}}</ref>